Putu Lasmi Yuliyanti Sapanca, Ramdhoani, and Alfianus Galus, “Respon Pertumbuhan dan Hasil Tanaman Packcoy (Brassica rapa L.) Terhadap Pemberian Dosis Biochar Sekam Padi”, agrimeta, vol. 14, no. 2, pp. 68–73, Oct. 2024.